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  ITU-T A.5 justification information for referenced document ETSI TS 123 203 V19.2.0 (2026-01) in draft L.1331
1. Clear description of the referenced document:
Name: ETSI TS 123 203 V19.2.0 (2026-01)
Title: Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Policy and charging control architecture (3GPP TS 23.203 version 15.4.0 Release 15)
2. Status of approval:
Approved standard.
3. Justification for the specific reference:
Needed for implementation of the Recommendation.
4. Current information, if any, about IPR issues:
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http://ipr.etsi.org). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document.
5. Other useful information describing the "Quality" of the document:
Approved Standard
6. The degree of stability or maturity of the document:
Approved Standard
7. Relationship with other existing or emerging documents:
None
8. Any explicit references within that referenced document should also be listed:
[1] 3GPP TS 41.101: "Technical Specifications and Technical Reports for a GERAN-based 3GPP system". [2] Void. [3] 3GPP TS 32.240: "Telecommunication management; Charging management; Charging architecture and principles". [4] IETF RFC 4006: "Diameter Credit-Control Application". [5] 3GPP TS 23.207: "End-to-end Quality of Service (QoS) concept and architecture". [6] 3GPP TS 23.246: "Multimedia Broadcast/Multicast Service (MBMS); Architecture and functional description". [7] 3GPP TS 23.125: "Overall high level functionality and architecture impacts of flow based charging; Stage 2". [8] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications". [9] 3GPP TS 32.251: "Telecommunication management; Charging management; Packet Switched (PS) domain charging". [10] 3GPP TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)". [11] 3GPP TR 33.919: "3G Security; Generic Authentication Architecture (GAA); System description". [12] 3GPP TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2". [13] Void. [14] 3GPP TS 23.107: "Quality of Service (QoS) concept and architecture". [15] "WiMAX End-to-End Network Systems Architecture" (http://www.wimaxforum.org/technology/documents). [16] 3GPP TS 23.003: "Numbering, addressing and identification". [17] 3GPP TS 23.401: "General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access". [18] 3GPP TS 23.402: "Architecture Enhancements for non-3GPP accesses". [19] 3GPP TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2". [20] 3GPP2 X.S0057-B v2.0: "E UTRAN - HRPD Connectivity and Interworking: Core Network Aspects", July 2014. [21] 3GPP TS 23.167: "IP Multimedia Subsystem (IMS) emergency sessions". [22] 3GPP TS 29.213: "Policy and Charging Control signalling flows and QoS parameter mapping". [23] 3GPP TS 23.261: "IP Flow Mobility and seamless WLAN offload; Stage 2". [24] 3GPP TS 23.198: "Open Service Access (OSA); Stage 2". [25] 3GPP TS 23.335: "User Data Convergence (UDC); Technical realization and information flows; Stage 2". [26] 3GPP TS 29.335: "User Data Convergence (UDC); User Data Repository Access Protocol over the Ud interface; Stage 3". [27] 3GPP TS 22.115: "Service aspects; Charging and billing". [28] 3GPP TS 23.216: "Single Radio Voice Call Continuity (SRVCC); Stage 2". [29] 3GPP TS 23.139:"3GPP-Fixed Broadband Access Interworking". [30] Broadband Forum TR-203: "Interworking between Next Generation Fixed and 3GPP Wireless Access" (work in progress). [31] Broadband Forum TR-134: "Policy Control Framework " (work in progress). [32] 3GPP TS 25.467: "UTRAN architecture for 3G Home Node B (HNB); Stage 2". [33] Broadband Forum TR-291: "Nodal Requirements for Interworking between Next Generation Fixed and 3GPP Wireless Access" (work in progress). [34a] Broadband Forum TR-124 issue 2: "Functional Requirements for Broadband Residential Gateway Devices". [34b] Broadband Forum TR-124 issue 3: "Functional Requirements for Broadband Residential Gateway Devices". [35] Broadband Forum TR-101: "Migration to Ethernet-Based Broadband Aggregation". [36] Broadband Forum TR-146: "Internet Protocol (IP) Sessions". [37] Broadband Forum TR-300: "Nodal Requirements for Converged Policy Management". [38] 3GPP TS 22.278: "Service requirements for the Evolved Packet System (EPS)". [39] 3GPP TS 23.228: "IP Multimedia Subsystem (IMS); Stage 2". [40] Broadband Forum TR-092: "Broadband Remote Access Server (BRAS) Requirements Document". [41] Broadband Forum TR-134: "Broadband Policy Control Framework (BPCF)". [42] 3GPP TS 23.682: "Architecture enhancements to facilitate communications with packet data networks and applications". [43] 3GPP TS 23.161: "Network-based IP flow mobility and Wireless Local Area Network (WLAN) offload; Stage 2". [44] 3GPP TS 23.303: "Proximity-based services (ProSe); Stage 2". [45] 3GPP TS 26.114: "Multimedia telephony over IP Multimedia Subsystem (IMS); Multimedia telephony; media handling and interaction". [46] 3GPP TS 23.179: "Functional architecture and information flows to support mission-critical communication service; Stage 2". [47] IETF RFC 6066: "Transport Layer Security (TLS) Extensions: Extension Definitions". [48] 3GPP TS 23.285: "Architecture enhancements for V2X services". [49] 3GPP TS 22.011: "Service accessibility". [50] 3GPP TS 24.008: "Mobile radio interface Layer 3 specification; Core network protocols; Stage 3". [51] 3GPP TS 22.261: "Service requirements for the 5G system; Stage1". [52] 3GPP TS 23.272: "Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2". [53] 3GPP TS 26.238: "Uplink streaming". [54] 3GPP TR 26.939: "Guidelines on the Framework for Live Uplink Streaming (FLUS)". [55] 3GPP TS 23.221: "3rd Generation Partnership Project; Technical Specification Group Services and Systems Aspects; Architectural Requirements". [56] 3GPP TS 23.204: "Support of Short Message Service (SMS) over generic Internet Protocol (IP) access; Stage 2"
9. Qualification of ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5